feat(nvim): add new intro image

nvim/lua/olinpin/init.lua

@@ -8,3 +8,4 @@ vim.o.timeoutlen = 0
 -- setup prolog
 require('lspconfig/prolog_lsp')
 require('lspconfig').prolog_lsp.setup{}
+require('olinpin.intro').open()

nvim/lua/olinpin/intro.lua

@@ -0,0 +1,122 @@
+local M = {}
+local api = vim.api
+local fn = vim.fn
+local strw = api.nvim_strwidth
+local opts = {
+	header = {
+"⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⣀⣤⣴⣶⣶⣶⣶⣦⣤⡀⠀⠀⠀⠀",
+"⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⣠⣾⣿⠟⠉⠉⠉⠉⠉⠛⠻⢿⣷⣄⠀⠀",
+"⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢀⣼⣿⠟⠁⠀⠀⢠⣤⣄⠀⠀⠀⠀⠙⣿⣷⠀",
+"⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⣾⣿⠏⠀⠀⠀⠀⠘⠻⠋⠀⠀⠀⠀⠀⢸⣿⡇",
+"⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⣸⣿⡏⠀⠀⣀⣀⣀⣠⣤⣤⣤⣤⣿⣄⠀⢠⣿⣧",
+"⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢀⣿⣿⠀⠀⠀⠈⠻⣿⣶⠶⣶⣤⣤⣜⣿⣦⡈⢿⣿",
+"⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢸⣿⣿⠀⠀⠀⠀⠀⠈⠙⠻⢶⣤⣭⣛⣿⣿⣷⣼⣿",
+"⠀⠀⠀⠀⠀⣰⣶⣾⠿⠿⢿⣷⣶⣄⠀⣿⣿⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠉⠙⠛⠛⢛⣿⣿",
+"⠀⠀⠀⠀⠀⢹⣿⣆⠀⠀⠀⠈⠻⢿⣿⣿⡟⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⣾⣿⡏",
+"⠀⠀⠀⠀⠀⣸⣿⣿⠀⠀⠀⠀⠀⠀⢀⣿⡇⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢸⣿⣿⠀",
+"⠀⠀⠀⢀⣾⣿⣿⡇⠀⠀⠀⠀⠀⠀⢸⠟⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⣿⣿⡇⠀",
+"⠀⠀⠀⣼⣿⠃⠹⣿⣷⣄⠀⠀⠀⠀⠉⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⣿⣿⠇⠀",
+"⠀⠀⠀⣿⡿⠀⠀⠈⠻⣿⣧⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⣿⣿⠀⠀",
+"⠀⠀⢸⣿⣧⠀⠀⠀⠀⠸⣿⡇⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⣿⡷⠀⠀",
+"⠀⠀⠈⣿⣿⡄⠀⠀⠀⠀⢻⠇⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠸⣿⡀⠀",
+"⠀⠀⠀⣿⣿⣿⡄⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⣿⣧⠀",
+"⠀⠀⠀⢻⣿⡟⠋⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢿⣿⡇",
+"⠀⠀⠀⠘⣿⣿⡀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⣾⣿⡿",
+"⠀⠀⠀⣤⣸⣿⣿⡷⠂⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢸⣿⣿⠃",
+"⠀⠀⠘⣿⡿⠿⣿⣿⣿⣷⡶⢶⣆⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⣰⣿⣿⠏⠀",
+"⠀⠀⢀⣿⡟⠀⠀⠀⠀⠀⠀⠈⣿⣇⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢀⣴⡿⠟⠉⠀⠀",
+"⠀⠀⣼⣿⠇⠀⣴⣄⠀⠀⠀⠀⢹⣿⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⣠⣶⣿⠟⠁⠀⠀⠀⠀",
+"⢀⣼⣿⠋⠀⠀⠘⣿⣧⠀⠀⠀⢸⣿⣧⣄⣀⠀⠀⠀⢀⣀⣤⣶⣿⣿⠋⠁⠀⠀⠀⠀⠀⠀",
+"⢾⣯⣁⠀⠀⠀⠀⠈⢿⡄⠀⠀⣸⡿⠉⠙⠛⠛⠛⠛⢻⣿⡏⢹⣿⡟⠀⠀⠀⠀⠀⠀⠀⠀",
+"⠀⠛⢿⣷⣦⣤⣀⡀⠀⠀⠀⣠⣿⣷⣶⣶⣶⣶⣶⣦⣤⣿⣿⡜⣿⡄⠀⠀⠀⠀⠀⠀⠀⠀",
+"⠀⠀⠀⠈⠙⠛⢻⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣧⢻⡿⣷⣶⣤⣀⠀⠀⠀⠀",
+"⠀⠀⠀⠀⠀⠀⠸⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣏⣁⡸⠟⠈⣩⣿⣿⣿⠶⠀⠀",
+"⠀⠀⠀⣠⣴⣶⣾⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣷⣿⠟⠋⠁⠀⠀⠀⠀",
+"⠀⠀⠀⠙⠿⣿⣿⣿⣿⣿⣿⣿⣿⡟⠛⠛⠛⠛⠛⠛⠛⠛⠛⠛⠋⠉⠀⠀⠀⠀⠀⠀⠀⠀",
+"⠀⠀⠀⠀⠀⠀⠈⠉⠉⠉⠉⠉⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀",
+"       WADDLE WADDLE WADDLE       ",
+},
+	buttons = {}
+}
+
+M.open = function(buf, win, action)
+  action = action or "open"
+
+  win = win or api.nvim_get_current_win()
+
+  if not vim.bo.buflisted and action == "open" then
+    if vim.t.bufs[1] then
+      win = vim.fn.bufwinid(vim.t.bufs[1])
+      api.nvim_set_current_win(win)
+    end
+  end
+
+  local ns = api.nvim_create_namespace "nvdash"
+  local winh = api.nvim_win_get_height(win)
+  local winw = api.nvim_win_get_width(win)
+  buf = buf or vim.api.nvim_create_buf(false, true)
+
+  local nvdash_w = 0
+
+  if action == "open" then
+    api.nvim_win_set_buf(0, buf)
+  end
+
+  opts.header = type(opts.header) == "function" and opts.header() or opts.header
+
+  local ui = {}
+
+  ------------------------ find largest string's width -----------------------------
+  for _, v in ipairs(opts.header) do
+    local headerw = strw(v)
+    if headerw > nvdash_w then
+      nvdash_w = headerw
+    end
+
+    local col = math.floor((winw / 2) - math.floor(strw(v) / 2)) - 6
+    local opt = { virt_text_win_col = col, virt_text = { { v, "NvDashAscii" } } }
+    table.insert(ui, opt)
+  end
+
+  opts.buttons = type(opts.buttons) == "table" and opts.buttons or opts.buttons()
+
+  local key_lines = {}
+
+  ----------------------- save display txt -----------------------------------------
+  local dashboard_h = #ui + 3
+
+  -- if screen height is small
+  winh = dashboard_h > winh and dashboard_h or winh
+
+  local row_i = math.floor((winh / 2) - (dashboard_h / 2))
+
+  for i, v in ipairs(key_lines) do
+    key_lines[i].i = v.i + row_i + 1
+  end
+
+  -- make all lines available
+  local empty_str = {}
+  for i = 1, winh do
+    empty_str[i] = ""
+  end
+
+  ------------------------------ EXTMARKS : set text + highlight -------------------------------
+  api.nvim_buf_set_lines(buf, 0, -1, false, empty_str)
+
+  for i, v in ipairs(ui) do
+    api.nvim_buf_set_extmark(buf, ns, row_i + i, 0, v)
+  end
+
+  if action == "redraw" then
+    return
+  end
+
+  ------------------------------------ keybinds ------------------------------------------
+  vim.wo[win].virtualedit = "all"
+
+  if key_lines[1] then
+    api.nvim_win_set_cursor(win, { key_lines[1].i, key_lines[1].col })
+  end
+end
+
+return M